package servlet;

import dao.EventoDAO;
import dao.UsuarioDAO;
import dao.UsuarioEventoDAO;
import entidade.Evento;
import entidade.Usuario;
import entidade.UsuarioEvento;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import util.Util;

/**
 *
 * @author luiz
 */
public class AdicionarUsuarioEventoServlet extends HttpServlet
{

    /**
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
     * methods.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException
    {
        System.out.print("Teste");
        Util util = new Util();
        Long codUsuario = null;
        Long codEvento = null;
        Boolean validou = true;
        try
        {
            codUsuario = Long.parseLong(util.validaParametro(request.getParameter("usuarioAdicionar")));
            codEvento = Long.parseLong(util.validaParametro(request.getParameter("evento")));
        }
        catch (Exception e)
        {
            System.out.print("Erro ao converter parametro para DOUBLE");
            response.sendRedirect("sistema/listarEventos.jsp");
            validou = false;
        }
        if (validou)
        {
            
            if (codEvento == null || codUsuario == null || codUsuario == 0)
            {
                response.sendRedirect("sistema/gerenciarEvento.jsp?evento=" + codEvento);
                System.out.print("codUsuario ou codEvento iqual a null");
                validou = false;
            }
            if (validou)
            {
                try
                {
                    UsuarioDAO usuarioDAO = new UsuarioDAO();
                    Usuario usuario = new Usuario();
                    
                    EventoDAO eventoDAO = new EventoDAO();
                    Evento evento = new Evento();
                    
                    usuario = usuarioDAO.buscaID(Usuario.class, codUsuario);
                    evento = eventoDAO.buscaID(Evento.class, codEvento);
                    
                    UsuarioEvento usuarioEvento = new UsuarioEvento();
                    UsuarioEventoDAO usuarioEventoDAO = new UsuarioEventoDAO();
                    
                    usuarioEvento.setEvento(evento);
                    usuarioEvento.setGerenciador(false);
                    usuarioEvento.setUsuario(usuario);
                    
                    usuarioEventoDAO.salvar(usuarioEvento);
                    response.sendRedirect("sistema/gerenciarEvento.jsp?evento=" + evento.getId());
                }
                catch (Exception e)
                {
                    response.sendRedirect("sistema/gerenciarEvento.jsp?evento=" + codEvento);
                }
                response.setContentType("text/html;charset=UTF-8");
                try (PrintWriter out = response.getWriter())
                {
                    /* TODO output your page here. You may use following sample code. */
                    out.println("<!DOCTYPE html>");
                    out.println("<html>");
                    out.println("<head>");
                    out.println("<title>Servlet adicionarUsuarioEventoServlet</title>");
                    out.println("</head>");
                    out.println("<body>");
                    out.println("<h1>Servlet adicionarUsuarioEventoServlet at " + request.getContextPath() + "</h1>");
                    out.println("</body>");
                    out.println("</html>");
                }
            }
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException
    {
        //processRequest(request, response);
    }

    /**
     * Handles the HTTP <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException
    {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo()
    {
        return "Short description";
    }// </editor-fold>

}
